Gas-engine primer.



L. R. DALRYMPLE. GAS ENGINE PRIMER.

APPLICATION FILED AUG. 23, 1909.

Patented May 10, 1910.

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3 MMMM oz NDRIW B GHANA! C0,. MYD-UTHMMPNEQ; WASHINGTON, D- Q q/Vi hmaom L. R, DALRYMPLE. GAS ENGINE PRIMER.

APPLICATION FILED AUG.23,1909.

Patented May 10, 1910.

2 SHEETS-SHEET 2.

zumm LAWRENCE R. DALRYMPLE, OF ABILENE, KANSAS.

GAS-ENGINE PRIMER.

Specification of Letters Patent.

Patented May 10, 1919.

Application filed August 23, 1909. Serial No. 514,164.

To all whom "it may concern:

Be it known that I, LAWRENCE R. DAL RYMPLE, a citizen of the United States, residing at Abilene, in the county of Dickinson, State of Kansas, have invented certain new and useful Improvements in Gas-Engine Primers; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to internal combustion motors and has special reference to a priming valve arranged to supply a measured charge of a light hyrdo-carbon liquid to the cylinder of a gas engine when starting the same.

One object of the invention is to improve the general construction of devices of this character so that the flow of the gasolene or other explosive fluid to the engine cylinder will be readily accomplished.

Another object of the invention is to provide a measuring valve of novel interior arrangement, the valve being constructed in such manner as to make the flow of liquid into and out of the same a smooth and even one.

A third object of the invention is to provide a device of the class described with a measuring valve and a stop valve located below the measuring valve. so that no flame from the explosion can impinge upon the measuring valve, the two valves being simultaneously operable.

lVith the above and other objects in view the invention consists in general of a valve body wherein is located a measuring valve of improved construction and a stop valve held in the valve body below the measuring valve.

The invention further consists in certain novel details of construction and combinations of parts hereinafter fully described, illustrated in the accompanying drawings, and specifically set forth in the claims.

In the accompanying drawings, like characters of reference indicate like parts in the several views, and :Figure 1 is a partial side elevation of a gasolene engine equipped with this invention. Fig. 2 is a section on the line 2-2 of Fig. 1. Fig. 3 is a section on the line 33 of Fig. 2. Fig. 4 is a section on the line tl of Fig. 3.

The numeral indicates the top of the cylinder of a gasolene engine and at 11 is shown the tank for containing gasolene. The top 10 is provided with a screw threaded aperture 12 wherein is fitted a valve body 13 provided at its upper end with a cylindrical valve seat 14: and at its lower end with a similar but smaller valve seat 15. Through the body from end to end and intersecting these valve seats extends a gasolene inlet passage 16 and in spaced and parallel relation thereto is an air passage 17. Extending from the tank 11 to the passage 16 is a gasolene supply pipe 18 and from the passage 17 extends an air pipe 19 to the top of the tank 11. Within the valve seat ll is held a hollow cylindrical valve 20 one end of which is provided with a flange 21 to prevent movement in one direction through the valve seat while the other end is provided with a threaded plug 22 having a flange which extends over the end of the valve seat to prevent movement of the valve in the other direct-ion longitudinally of said seat. This valve is provided with a gasolene inlet port 23 which has an inwardly directed tuhiform extension 21 the groove whereof terminates adjacent the opposite wall of the valve. There is also provided a gasolcne outlet port 25 which has no extension, the inner edge of the port being flush with the interior of the valve. These two ports lie in the same plane and are so arranged that when the valve is rotated the ports may be brought into registry with the gasolene passage 16 at the inlet or outlet end thereof. Displaced longitudinally of the valve is an air inlet port 26 similar in construction to the gasolene inlet port and there is also provided an air outlet port 27 similar in construction to the gasolene outlet port. It is to be noted that the two inlet ports and the two outlet ports lie at right angles to each other so that when the valve is in the position indicated in Fig. 2 the gasolene inlet port is in registry with the gasolene passage 16 and the air outlet port in registry with the air outlet passage 17. If, however, the valve be turned at right angles to the position indicated in Fig. 2 the air inlet port 26 will register with the lower end of the air passage 17 while the gasolene outlet port 25 will register with the lower end of the passage 16.

Rotatably held in the valve seat 15 is a stop valve 28' provided with a gasolene passage 29 and an air passage 30. The passages 29 and 30 are so arranged that they close the passages 16 and 17 when the valve 20 is in the position shown in Fig. 2 while when this valve 20 is turned at right angles to that position the passages 29 and 30 register with the passages 16 and 17. In order to provide for the synchronous operation of these two valves the valve 20 is provided with an arm 31 to which is adapted to be connected a valve rod 32. Formed on the valve body 20 is a segmental gear 33. Mounted on the valve 28 is an arm 3% which carries a segmental gear 35, the gear having the same diapieter as the gear 33 and meshing therewit 1.

In the operation of the device let it be supposed that the parts are in the position indicated in Fig. 2. Vhen in this position gasolene will flow from the tank through the pipe 18 and into the valve 20, the air escap ing through the port 27. By reason of the inwardly directed tubiform extension of the gasolene inlet port this will be accomplished without disturbance as the gasolene will be delivered to the bottom of the valve while the air escapes from the top. Now, the valve having been filled, let it be supposed that it is desired to prime the engine cylinder. The valve rod 32 is pulled to cause the parts to assume a position at right angles to Fig. 2.

The air inletport 26 will then project upward above the surface of the gasolene and the gasolene will flow out of the outlet port 25 through the passage 16 and port 29 which has been synchronously brought into registry with the passage 16 while the air will es cape from the cylinder through the passage 17 and port 30.

It will be observed that when the parts are in the position shown in Fig. 2 the stop valve 28 entirely prevents the impinging of the flame of explosion against the valve 20.

There has thus been provided a simple and efiicient device of the kind described and for the purpose specified.

It is obvious that minor changes may be made in the form and construction of this invention without departing from the material principles thereof. It is not therefore desired to confine the invention to the exact form herein shown and described, but it is wished to include all such as properly come Within the scope of the appended claims.

Having thus described the invention, what is claimed as new, is

1. In a device of the kind described, a measuring valve including a hollow rotatable member provided with a port having a tubiform inward extension.

2. I11 a device of the kind described, a measuring valve including a hollow rotatable member provided with outlet and inlet ports, the inlet ports having tubiform inward extensions.

3. In a device of the kind described, a measuring valve including a hollow rotatable member provided with outlet and inlet ports, the outlet ports having their axes at right angles to each other in planes dis placed longitudinally of said member and the inlet ports being similarly disposed with reference to the member, said inlet ports having tubiform inward extensions.

4:. In a device of the kind described, a measuring valve including a body having inlet and outlet passages, a hollow rotatable valve held therein provided with an outlet port and an inlet port having a tubiform inward extension; in combination with a stop valve held in said body, and means to rotate said valves synchronously.

5. In a device of the kind described, a valve body, a measuring valve operable therein, a stop valve located between the outlet end of the valve body and the measuring valve, and means to synchronously operate said valves.

In testimony whereof, I atfix my signature, in presence of two witnesses.

LAWRENCE R. DALRYMPLE.

IVitnesses E. H. GRANDBERRY, A. T. VVITMER. 

